B - Operations – Transporting – 60 – F
Patent
B - Operations, Transporting
60
F
180/3, 104/32.1
B60F 3/00 (2006.01) B60K 17/22 (2006.01) B60K 17/34 (2006.01)
Patent
CA 1059034
ABSTRACT A steering and transmission arrangement for an off-road all-terrain vehicle provides for the drive ratios to each of the vehicle wheels to be geared up and down in unison so that each wheel receives a torque which is an average of the torque requirements of all the wheels. Steering is effected by varying the drive ratios to the left-hand and right-hand wheels differentially so that the wheels on one side are speeded up and the wheels on the other side are slowed down. The wheels axe supported independently on longitudinally-extending legs pivotally connected on the vehicle body. Problems of stress on the drive train as the wheel legs rock up and down on rough terrain are avoided through a speed-reducing coupling at the pivotal leg connection and a torsional energy-storing drive shaft between the coupling and the wheel which absorbs small torques induced by the rocking of the legs and by rotational advancements and retardations of the wheels as they ride over local bumps in the terrain.
257727
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